function open_win() 
{
window.open("upload/ucmas.pdf","_blank","channelmode=yes,toolbar=yes, location=yes, directories=no, status=yes, menubar=yes, scrollbars=yes, resizable=yes, copyhistory=yes")
}

 function open_win1() 
{
window.open("upload/Info_Arabic.pdf","_blank","channelmode=yes,toolbar=yes, location=yes, directories=no, status=yes, menubar=yes, scrollbars=yes, resizable=yes, copyhistory=yes")
}